242686140615 has 24 divisors (see below), whose sum is σ = 425724127920. Its totient is φ = 127873177344.

The previous prime is 242686140503. The next prime is 242686140617. The reversal of 242686140615 is 516041686242.

It is a happy number.

242686140615 is a `hidden beast` number, since 2 + 4 + 26 + 8 + 6 + 1 + 4 + 0 + 615 = 666.

It is not a de Polignac number, because 242686140615 - 2¹¹ = 242686138567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242686140617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32484370 + ... + 32491839.

It is an arithmetic number, because the mean of its divisors is an integer number (17738505330).

Almost surely, 2^242686140615 is an apocalyptic number.

242686140615 is a deficient number, since it is larger than the sum of its proper divisors (183037987305).

242686140615 is a wasteful number, since it uses less digits than its factorization.

242686140615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64976303 (or 64976300 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 242686140615 in words is "two hundred forty-two billion, six hundred eighty-six million, one hundred forty thousand, six hundred fifteen".